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NumberHelper.php
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NumberHelper.php
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<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 0.10.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\View\Helper;
use Cake\Core\App;
use Cake\Core\Exception\CakeException;
use Cake\I18n\Number;
use Cake\View\Helper;
use Cake\View\View;
/**
* Number helper library.
*
* Methods to make numbers more readable.
*
* @link https://book.cakephp.org/4/en/views/helpers/number.html
* @see \Cake\I18n\Number
*/
class NumberHelper extends Helper
{
/**
* Default config for this class
*
* @var array
*/
protected $_defaultConfig = [
'engine' => Number::class,
];
/**
* Cake\I18n\Number instance
*
* @var \Cake\I18n\Number
*/
protected $_engine;
/**
* Default Constructor
*
* ### Settings:
*
* - `engine` Class name to use to replace Cake\I18n\Number functionality
* The class needs to be placed in the `Utility` directory.
*
* @param \Cake\View\View $view The View this helper is being attached to.
* @param array $config Configuration settings for the helper
* @throws \Cake\Core\Exception\CakeException When the engine class could not be found.
*/
public function __construct(View $view, array $config = [])
{
parent::__construct($view, $config);
$config = $this->_config;
/** @psalm-var class-string<\Cake\I18n\Number>|null $engineClass */
$engineClass = App::className($config['engine'], 'Utility');
if ($engineClass === null) {
throw new CakeException(sprintf('Class for %s could not be found', $config['engine']));
}
$this->_engine = new $engineClass($config);
}
/**
* Call methods from Cake\I18n\Number utility class
*
* @param string $method Method to invoke
* @param array $params Array of params for the method.
* @return mixed Whatever is returned by called method, or false on failure
*/
public function __call(string $method, array $params)
{
return $this->_engine->{$method}(...$params);
}
/**
* Formats a number with a level of precision.
*
* @param float|string $number A floating point number.
* @param int $precision The precision of the returned number.
* @param array $options Additional options.
* @return string Formatted float.
* @see \Cake\I18n\Number::precision()
* @link https://book.cakephp.org/4/en/views/helpers/number.html#formatting-floating-point-numbers
*/
public function precision($number, int $precision = 3, array $options = []): string
{
return $this->_engine->precision($number, $precision, $options);
}
/**
* Returns a formatted-for-humans file size.
*
* @param int|string $size Size in bytes
* @return string Human readable size
* @see \Cake\I18n\Number::toReadableSize()
* @link https://book.cakephp.org/4/en/views/helpers/number.html#interacting-with-human-readable-values
*/
public function toReadableSize($size): string
{
return $this->_engine->toReadableSize($size);
}
/**
* Formats a number into a percentage string.
*
* Options:
*
* - `multiply`: Multiply the input value by 100 for decimal percentages.
*
* @param float|string $number A floating point number
* @param int $precision The precision of the returned number
* @param array $options Options
* @return string Percentage string
* @see \Cake\I18n\Number::toPercentage()
* @link https://book.cakephp.org/4/en/views/helpers/number.html#formatting-percentages
*/
public function toPercentage($number, int $precision = 2, array $options = []): string
{
return $this->_engine->toPercentage($number, $precision, $options);
}
/**
* Formats a number into the correct locale format
*
* Options:
*
* - `places` - Minimum number or decimals to use, e.g 0
* - `precision` - Maximum Number of decimal places to use, e.g. 2
* - `locale` - The locale name to use for formatting the number, e.g. fr_FR
* - `before` - The string to place before whole numbers, e.g. '['
* - `after` - The string to place after decimal numbers, e.g. ']'
* - `escape` - Whether or not to escape html in resulting string
*
* @param float|string $number A floating point number.
* @param array $options An array with options.
* @return string Formatted number
* @link https://book.cakephp.org/4/en/views/helpers/number.html#formatting-numbers
*/
public function format($number, array $options = []): string
{
$formatted = $this->_engine->format($number, $options);
$options += ['escape' => true];
return $options['escape'] ? h($formatted) : $formatted;
}
/**
* Formats a number into a currency format.
*
* ### Options
*
* - `locale` - The locale name to use for formatting the number, e.g. fr_FR
* - `fractionSymbol` - The currency symbol to use for fractional numbers.
* - `fractionPosition` - The position the fraction symbol should be placed
* valid options are 'before' & 'after'.
* - `before` - Text to display before the rendered number
* - `after` - Text to display after the rendered number
* - `zero` - The text to use for zero values, can be a string or a number. e.g. 0, 'Free!'
* - `places` - Number of decimal places to use. e.g. 2
* - `precision` - Maximum Number of decimal places to use, e.g. 2
* - `pattern` - An ICU number pattern to use for formatting the number. e.g #,##0.00
* - `useIntlCode` - Whether or not to replace the currency symbol with the international
* currency code.
* - `escape` - Whether or not to escape html in resulting string
*
* @param float|string $number Value to format.
* @param string|null $currency International currency name such as 'USD', 'EUR', 'JPY', 'CAD'
* @param array $options Options list.
* @return string Number formatted as a currency.
*/
public function currency($number, ?string $currency = null, array $options = []): string
{
$formatted = $this->_engine->currency($number, $currency, $options);
$options += ['escape' => true];
return $options['escape'] ? h($formatted) : $formatted;
}
/**
* Formats a number into the correct locale format to show deltas (signed differences in value).
*
* ### Options
*
* - `places` - Minimum number or decimals to use, e.g 0
* - `precision` - Maximum Number of decimal places to use, e.g. 2
* - `locale` - The locale name to use for formatting the number, e.g. fr_FR
* - `before` - The string to place before whole numbers, e.g. '['
* - `after` - The string to place after decimal numbers, e.g. ']'
* - `escape` - Set to false to prevent escaping
*
* @param float|string $value A floating point number
* @param array $options Options list.
* @return string formatted delta
*/
public function formatDelta($value, array $options = []): string
{
$formatted = $this->_engine->formatDelta($value, $options);
$options += ['escape' => true];
return $options['escape'] ? h($formatted) : $formatted;
}
/**
* Getter/setter for default currency
*
* @param string|false|null $currency Default currency string to be used by currency()
* if $currency argument is not provided. If boolean false is passed, it will clear the
* currently stored value. Null reads the current default.
* @return string|null Currency
* @deprecated 3.9.0 Use setDefaultCurrency()/getDefaultCurrency() instead.
*/
public function defaultCurrency($currency): ?string
{
deprecationWarning(
'NumberHelper::defaultCurrency() is deprecated. Use setDefaultCurrency() and getDefaultCurrency() instead.'
);
return $this->_engine->defaultCurrency($currency);
}
/**
* Event listeners.
*
* @return array
*/
public function implementedEvents(): array
{
return [];
}
/**
* Formats a number into locale specific ordinal suffix.
*
* @param int|float $value An integer
* @param array $options An array with options.
* @return string formatted number
*/
public function ordinal($value, array $options = []): string
{
return $this->_engine->ordinal($value, $options);
}
}